From 911c94dac9525f4824661592611f169713d74d5f Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Fri, 24 Jul 2020 20:08:57 +0200 Subject: [PATCH] memory: samsung: exynos5422-dmc: Document mutex scope Document scope of the mutex used by driver. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Lukasz Luba Link: https://lore.kernel.org/r/20200724180857.22119-1-krzk@kernel.org --- drivers/memory/samsung/exynos5422-dmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c index 952bc61e68f4..0045fa536b2b 100644 --- a/drivers/memory/samsung/exynos5422-dmc.c +++ b/drivers/memory/samsung/exynos5422-dmc.c @@ -119,6 +119,7 @@ struct exynos5_dmc { void __iomem *base_drexi0; void __iomem *base_drexi1; struct regmap *clk_regmap; + /* Protects curr_rate and frequency/voltage setting section */ struct mutex lock; unsigned long curr_rate; unsigned long curr_volt;